Reactions of Trifluoromethyl Radicals. IV. Hydrogen Abstraction from Dichlorosilane and Trichlorosilane
- 1 January 1979
- journal article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 32 (5) , 1017-1023
- https://doi.org/10.1071/ch9791017
Abstract
The hydrogen abstraction reactions of SiH2Cl2 and SiHCl2 with CF3 radicals CF3+SiH2Cl2 → CF3H + SiHCl2 CF3+SiH2Cl3 → CF3H + SiHCl3 have been studied in the temperature ranges 65-227�and 64-294�, respectively. The rate constants, based on the value of 1013.36 cm3 mol-1 s-1 for the recombination of CF3 radicals, are given by (k in cm3 mol-1 s-1, E in J mol-1): logk1 = (12.08 � 0.04)-(25600 � 280)/19.145T logk2 = (11.92 � 0.02)-(27020 � 160)/19.145TKeywords
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